1 definition by ODST guy man cool

Top Definition
It stands for "United Nations Space Command".
It is The best dam military on Earth. Kicking covenant ass since Halo CE for Xbox.
Mike: "Hey Joe, i am Joining the UNSC, i gotta help my fellow brothers fight the covenant".

Joe: "If your gunna go, then im right behind you man"
by ODST guy man cool November 03, 2012
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